package day240602;

public class T {
    public static void main(String[] args) {
        String code = "12ER8";
        String code1 = "12er8";

        System.out.println(code.equals(code1));

        // 以终为始
        // System.out.println(code.equalsIgnoreCase(code1));

        System.out.println(code1.toUpperCase().equals(code));// 默认 code 为大写


    }
}
